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History of head and neck radiology: past, present, and future.
Radiology
January 2001
Department of Radiology, Massachusetts Eye and Ear Infirmary, 243 Charles St, Boston 02114, USA.
Head and neck radiology has evolved during the century since the discovery of the x ray in 1895 by Wilhelm Conrad Roentgen. In the first few decades, conventional radiography was the diagnostic modality for evaluation of head and neck diseases. Special radiographic projections were designed to demonstrate abnormal processes in the paranasal sinuses, temporal bones, base of the skull, and neck.
View Article and Find Full Text PDFMagnetic resonance imaging of the large vestibular aqueduct.
Arch Otolaryngol Head Neck Surg
October 1992
Department of Otolaryngology, University of Pittsburgh, School of Medicine, PA.
The large vestibular aqueduct syndrome describes an abnormally large endolymphatic duct and sac with associated sensorineural hearing loss. This entity was originally reported in 1978 and has since been identified as a finding in children with progressive hearing loss. The original description of the large vestibular aqueduct employed hypocycloidal polytomography of temporal bone.
View Article and Find Full Text PDFImaging for cochlear implants.
Br J Radiol
July 1990
Department of Radiology, Royal National Throat, Nose and Ear Hospital, London.
Insertion of a sound amplification device into the round window niche (extracochlear implant) or into the coils of the cochlea (intracochlear implant) can give significant benefits to some carefully selected, severely deaf patients. Imaging has an essential role in selective and pre-operative assessment. Severe otosclerosis and post-meningitic labyrinthitis ossificans are common causes of deafness in these patients and can be demonstrated by computed tomography (CT).
View Article and Find Full Text PDFThe temporal bone: imaging considerations.
Crit Rev Diagn Imaging
October 1990
Department of Radiologic Sciences, Medical College of Pennsylvania, Philadelphia 19129.
CT and MRI have revolutionized the evaluation of the temporal bone and its diseases. Conventional polytomography, once the mainstay of clinical imaging, has now been completely replaced by CT for evaluation of the middle ear, ossicular chain, and otic capsule and by MRI for the study of the internal auditory canal, cerebellopontine angle, and brainstem. This article is an overview of these current methods and depicts normal and pathologic anatomy.
View Article and Find Full Text PDFCholesteatoma of the middle ear and mastoid. A comparison of CT scan and operative findings.
Otolaryngol Clin North Am
May 1988
University of Illinois Hospital, Chicago.
High-resolution CT scanning accurately depicts the status of the structures of the temporal bone, allowing delineation of pathology prior to surgical exploration of ears with cholesteatoma. It provides information concerning location and extent of disease as well as possible anatomic variations and complications that may be encountered. The main advantages of CT scanning over polytomography are superior soft-tissue contrast resolution and improved spatial detail at a reduced radiation dose for the patient.
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